About us

Jiangsu YingNaiSi Machine Manufacturing Co., Ltd. (Jiangsu YingNaiSi) was founded in 2005,with covering an area of more than 23000 Square meters,and more than 100 employees.Cold drawn and cold rolled precision seamless steel pipes and Hydraulic cylinder are our main products。Our annual output has reached over 15000tons.

Our products are extensively applied in hydraulic pressure of engineering machinery, pneumatic linear actuators, petroleum oil-well pump cylinders, micro-motor shell, lubricating oil ball sweep systems, aluminum foil mandrel, high pressure gas cylinders, automotive shaft, textile, printing and dyeing, glass packaging, transmission roller and other fields.

We have obtained ISO 9001 Quality Certificate and ISO 14000 with annual export of more than 80 million tons. Our products are exported to Southeast Asia, Europe, Middle East and other countries with a good reputation..